Hi blacksea,
You suggested I R.H.Welch Jr., a well-known motor designer and expert. The email you gave is not drawing response. Could you suggest an alternative? (is there any way to private message here??) Thank you!
Thank you for your input (and humor). You are right about the final product needing to have conformity declared, but the ease with which that can be accomplished is at issue. I can simply use an EN spec for tools like mine to comply with the machinery directive and low voltage directive so...
We produce a handheld electric tool for sale in Europe, and it carries the CE marking. We have found a new source for the armature and the field in China, but their products are not CE marked. Must they be for inclusion into my product (I think so), and can anyone share their experience on the...
question to VirtualEngineer: you wrote "it seems to me that the bearing length may be reduced to the k distance of the beam." What is the k distance of a beam (the meaning)?
Thanks to everyone for you advice on this!
answers to question from SperlingPE:
the beam is a W8 and the joists overlying it are 9.5" on 19.2" centers. They each span 10 feet for reaction determination.
Thank you,
Codys
I have 8" thick poured concrete foundation walls which support an I-beam (that in turn supports floor joists). This is new residential construction. I think the i-beams should be well supported by a significant portion of the 8" thickness of the foundation. Yet my builder tells me that the...
